[PATCH] erofs-utils: mkfs: twist calculation of shared_xattr_id
Gao Xiang
hsiangkao at linux.alibaba.com
Fri Jun 9 19:56:02 AEST 2023
On 2023/6/9 17:02, Jingbo Xu wrote:
> The on-disk format specifies that share xattr can be addressed by:
>
> xattr offset = xattr_blkaddr * block_size + 4 * shared_xattr_id
>
> That is, the shared_xattr_id is calculated from the xattr offset
> (starting from xattr_blkaddr) divided by 4. Make this semantics
> explicitly by calculating the divisor from 'sizeof(__le32)'.
>
> It has no logic change.
>
> Signed-off-by: Jingbo Xu <jefflexu at linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao at linux.alibaba.com>
Thanks,
Gao Xiang
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